In relation to computing, a mouse is a pointing device that operates by detecting two-dimensional motion that is relative to the surface that supports it. Typically a mouse is an object held under the user's hand. It may have one or more buttons or wheels which allow the user to perform operations or other features that provide more control or dimensional input. The mouse's motion generally translates into the motion of a cursor on a display.
The first mouse prototype was invented in 1963...